# MiniProf Criterion vs OneAnswerAI

The clearest difference is in-app purchases: MiniProf Criterion at none against OneAnswerAI's 7. OneAnswerAI's advantage is update cadence (every 9 days vs every 3 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. OneAnswerAI sells 7 in-app purchases, starting at $5.99 per 7 days. MiniProf Criterion asks for nothing beyond the download.

MiniProf Criterion ships an update every 3 months, OneAnswerAI every 9 days. The most recent releases landed on September 7, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | MiniProf Criterion | OneAnswerAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 7 MB | 45 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Greenwood Engineering AS](https://appshunter.io/developer/1622549002) | [VALENTINO PAULON](https://appshunter.io/developer/1861136644) |

## What reviewers say

### MiniProf Criterion

[App page](https://appshunter.io/ios/app/miniprof-criterion/id1622549000)

**Features:** macOS Compatibility

**In-app purchases:** none


### OneAnswerAI

[App page](https://appshunter.io/ios/app/oneanswerai/id6756519049)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $5.99 | per 7 days |
| Monthly Pro | $17.99 | per month |
| 10 Text Queries | $0.99 | one-time |
| 5 Text + 1 Media | $1.99 | one-time |
| 5 Media Queries | $1.99 | one-time |
| 50 Text Queries | $3.99 | one-time |
| 100 Text Queries | $6.99 | one-time |


## Frequently asked questions

### Is MiniProf Criterion free?

MiniProf Criterion is free to download, with no in-app purchases.

### Is OneAnswerAI free?

OneAnswerAI is free to download, with in-app purchases available.

### Do MiniProf Criterion or OneAnswerAI have ads?

Neither MiniProf Criterion nor OneAnswerAI shows ads.

### Which is updated more often, MiniProf Criterion or OneAnswerAI?

MiniProf Criterion ships an update every 3 months, and OneAnswerAI every 9 days. Most recently, MiniProf Criterion was updated on September 7, 2026 and OneAnswerAI on July 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*